/*
 * $HeadURL$
 * $Revision$
 * $Date$
 *
 * ====================================================================
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
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 */

package org.apache.http.client.utils;

import org.apache.http.annotation.Immutable;

/**
 * Facade that provides conversion between Unicode and Punycode domain names.
 * It will use an appropriate implementation.
 *
 * @since 4.0
 */
@Immutable
public class Punycode {
    private static final Idn impl;
    static {
        Idn _impl;
        try {
            _impl = new JdkIdn();
        } catch (Exception e) {
            _impl = new Rfc3492Idn();
        }
        impl = _impl;
    }
    
    public static String toUnicode(String punycode) {
        return impl.toUnicode(punycode);
    }
    
}
